Grootte, type en snelheid van schepen in de toekomst

(1)

NFDERLANDSCH SCHEPSBOUWKUNDIG

PROEFSTATiON WAGENINGEN _NO.

Lab. y.

ScheepsbouwkUrL

Technische

Hogool

De1ILJ

"Groott.e, type en sneiheid van schepen in de toekomst"

do or

dr.ir.J.D,van Manen

(onder-directeur van het tJederlandsch Scheepsbouwkundig Proefstation te dageningen).

Causerie gehouden voor het Scheepsbouwkundig Gezelschap "William Froude" te Deift op 14 Maart 1960,

(2)

0 25 0 20

z

O z O is > 035

030

010 0 05

FROM BOEHLER

INSTALLED SPEED

t!

AND EFFECTIVE POWER FOR HORSEPOWER INDIVIDUAL FOR

*

I I ¡ I -100

\r

T SIMPLE £FÇECTIV(

*

CUSHION HOVER SYSTEM Ml i ₄ o.., HELICOPTERS P= TOTAL POINTS V - MAXIMUM CURVES I

*

I _{I HOVERCRAFT}

1*1

RANGE g l

SYMBOLS HYDROFOIL SHIPS

TRANSPORT HELICOPTERS HOVERCRAFT LIMIT H FOR M S AGINCOURT' DESTROvER) DESTROYER OISPLACEMENY HIGH HARO SHIPS

SPUD CHIME VESSEL

t UBMAB'NE ED

T,,

/ _f / _/ / - EFFECTIVE lOOT EFFECTIVE HOVER DEVELOPED HT 4 PlOVER j FT I I HT CUSHION 4 FT SYSTEM

*

O

-

- -

-

-BOATS AIRCRAFT O X I 600

I4MSVANGVARO' TON CARGO

ENO T S DRAIJGHT *HEE.E SHIPS I2 SIDE

I

SHIP -A, IO

,\

O A

j

j /

/

4 f

,,

/

I H

/

4 ,/

A 4DO FE TI. DI ELOPED HIVER CUSHION Iii 4 I I F' S,STFM A D TRA N S AIRCRAFT POR

SHALLOW RIVER FERRY

CARGO I

'V)f,.UNIEO

s'v* ES V1 QUEEN ELIZABETH CARCNIA j I, J 2 4 6 7 R 9 IO 70 40 50 60 0 80 90 '00 20 ¡40 ItO ISO 200 250 300 350 I A A I 2 4 S 6 ç 20 30 40 50 60 0 80 90 lOO 50 200

FIG. i

COMPARISON BETWEEN SPECIFIC

RESISTANCES OF SHIPS) BOATS1

HOVERCRAFT AND AIRCRAFT.

(3)

SUPERTANKERS

Draagvermogen in tonnen

N.S.P. Wage fingen

(4)

0.85 0.80 0.75 200.000

o

100,000 o SUPERTANKERS s' s. s O O GO O O O s

I

.

s o o O

.

o s O s $ s s o O

.

s O O S S S

.

Ø

van Ltt vòòr 1/2 L1

IJ ep 1. I I t 3.0 2.0

J

o o 1.0

N-SR Wageningen

Fig .2 b O 50,000 _100.000 _150,000 Oraagvermogen

in tonnen

(5)

500 40.000 10,000 O

30,000_

20.000

-SUPERTANKERS 50,000

tot

t I I 100,000

Oraagvermogen in tonnen

-

0.75 150,000 o 0,70

N.SP Wageningeri

Fig.

2C

(6)

The effect of shaped

of aìterbody

on

proputsron

Fig.3 Tanker mode', wth cigarshaped afterb.dy and

_{a propeller operating in a}

nozzLe ring

Table 1

Results of resistance and self _proputsion tests on a model of

a 3ÇJPOO -ton

tanker-loaded condition - speed l6knots - 16O00 S.H.P

NS.M B Wageningen.

At terbody

Screw Numberof

blades

Total resistance

in percentages

(afterbody 1=100) O. H.P in percentages

(afterbody 1:100)

Propulsive

coefficient

Hrnoderatety U-shaped)

A L 100 100 0.74 1I(extremety V-shaped ) ₄ ₉₇ ₁₀₆ _0.67

flflextremely U shaped)

A 4 103 102 0.75

(Hogner form )

C 4 108 103 0.77

nozzle)

D h 103 101 ₀₂₅

ff (twin screw)

G 3 100 105 0.70

(7)

D X c L: o û-7,0 6,0 5,0 4,0 3,0 2,0 1,0 O

From Crago

Saunders Roe

Fig.4

o 20 LO 60 80 100

(8)

E

FIG.

THE MOST CONSERVATIVE

r ttCK CONTR. ENGINE OFFICERS' PnCM LI QUARTERS Navgang nar

Trtm tank Vanable cargo tait1

4 Accesi ad cscape trunk* 5 Mgîn cargo and biUast ta.kc &Periscope

14

/

\

7 RractabIe antenn,

radar

and radio

. Retractable veutilation mast _{9. Cgo-pumping shore c:nnections} lOE 0ffcer'quarter 11. Contrclroom 12 Ciews quarters

Engitie toom Rudder

16. DivThg plane

(9)

m

o

_-w 3 a) a) 'D a) D <D) o -I 'D ID o o -' 300 250 200 50 a- o. o

_to

100 50 O S.C. prop.

lip

o Bp 10

Conventionete schroeven

(

S.C. propellers TM B

3-50

®Breedbladig

Gawn 3-110

© Wageningen

B 4-40

(ZJ Schroeven met straatbuis

100

-_

Schroeven met straatbuizen

080 0.70 0,60

a-

o. o 0.50

(10)

4000 3000 ₂₀₀₀ C E E o ₁₀₀₀ o 1000

Cavitatiegrens

volgens

Tachmindji en Morgan

Vermogen in pk Fig

7a

Toepasstngsgebied voor

supercaviterende

scheepsschroeven 10000 100000

N.S.P. Wageningen

(11)

4000 3000 2000 C E E o 1000 O 1000

Va 2Okn

I i 10.000 Vermogen in p.k. Fig 7b

Toepassingsgebied

voor conventionete

scheepsschroeven

I I 100.0 00

NSF'. Wageningen

(12)

4000 3000 2000 C E E o 1000 u N.S.P. Wageningen 10,000 100,000 1.000.000 Vermogen in p.k. Fig 7C Toepassingsgebied voor schroeven

met

straaLbuizen

(13)

RAM WING

ANNULAR JET

SEPARATE PROPULSflDN

INTEGRATED

'PROPULSION

íNNNJ

PLENUM CHAMBER

AIR LEAKAGE

LABYRINTH SEAL

PERHERAL SEAL

FIG &

GEM MORPHOLOGY

LEVAPAD

RECIRCULATING

DIFFUSER

FROM BOEHLER

(14)

V I, J

i

¡

4ff t

I t I 4.S/,/kNOZZLE

4'.t

-L FROM BOEHLER ANNULAR JE PERiMETER OF NOZZLE PLENUM CHAMBER -CENTER LINE FIG ANNULAR JET

(15)

i

LABYRINTH SEAL

(3 TA$)

SYSTEMS SHOWN IN SECTION

AT PERIPHERY

DIFFUSER

(t eTAaE)

FIG. Il

TYPICAL RECIRCULATING

SYSTEMS

FROM BOEHLER

(16)

io5 10

_io3

i02

10 o

s.

I s s

.

\

S

:'

\

S

s

-S a

\\S

S

t

_.

S--S

S S

\\

meer dan

10,000 uur

s

'

mindcr dan

_.

10,000 uur

tussen revsies

tussen revisies

S I I I S 5 10 15 20 25

kY/pk.

Fig 12 Verhoud Ing

van vermogen en specifiek

gewicht

van enkele

gasturbines

voor de

scheepvaart

volgens

O leht 30 s S S

(17)

TabiF3 2.

_{.)vi1iiJ.Li iJkI\dL..)}

CflTi t T) r' iT'l.Y

Gonra1 Dynamics Coeporation,

Eiect'ic 3oat l)lvljion,

Gro ton, Connecticut.

. -unllmfted .

e.

body of fevolution 1 ¡S knot3

r'

draft limited draft

Cargo Deadweight (tors)

20.000 _30.000

40,000

20.000

.

30.000

40.000 20,000

30.000 40,000

Surface Dip1acernnt (tons) _35.730

_53.130

_'10.300

52.860 62.700 35,140 51.570 68.900

Subrnrged Displacement (tom3) _39.950 _38.500

_77,20

no 58.000 76.700 38.660 56.700 75.700

Loaded Draft (feet) 34 34

34 signlficaxìt

₄₃

₄₇ 60 68 74

L'3nth (feet) 530 675 785 saving 570 620

520 ₅₉₀

_65o

₂₀

Beam (feet)

135 90 100

tfl

90 100 N'ìXiflUIfl Diameter:

Depth (feeI1) 38 40 40 poier

50

55 75 85 93

Fotal Power Requtred (3hp)

32.400

44.600

55.900 42,100

31.000

17.0CC

21.600

26.900

No.Screws 2 2 2 ₂ ₂ 1 1 1

Cargo Deadwe.ght kon;)

20.000 30.000 . 20.000 30.000 40.000

Surface DispLacement (tons) Draft limited

Ship3

_43.500 _67.290

excesive

39.9C0

57.500 '/3.200

Submwged Di3p1acernent tons) t'or 30 knots

aro riot

50.000 _74.300

beam/depth

44.000

63.500

83.000

Loaded

Draft (feet )

con3idored feasonibie

_4'/

x'atio

ani 62 70 77

Length (feet)

. (excGssiveiy high pOwE3X' 490 530

ooje' 540 610 670 30

J3eam (feet) roqniremenb; or beam _B5 120 Maxtrurn Diameter:

Depth

(feet)

rrOa1 Power

Required

(shp)

depth

ratio3) 33 55

121.300 164.750

78 88 96

66.3oo

8.800

1C4.500

NO.SCeW3

2 3 2 2 2

Cargo Deadweight (tons)

_20.000

_30.000

_40.000

Surface Displacement (tons) _48,700 _68.900

89.000

Submerged Displacement (tons) _33.600

_75.700

_98.000

Loath3d DL'af

(feet)

riot f'oa3ib1e

riot teasthie ₆₆ ₇₄ ₈₁ ₄₀

Length (feet)

Maximum Diameter

(feet)

rOt1

Power ReQUi'ed (shp)

3hp/shaft > i

00.000

.tfl1pOS31bl rriach1rery arrangements . 380 650 700 83 93 102 169.000 213.000 234.000 No.Screw$ ₄ ₄ ₄

feasible only for alight The upper limit ir speed with

.

3peed3

up to about saving in proerit power plant technology

(18)

AFTER

PiMP ROCA

SUi3AIU TANKERS

THE I.A[GESr AND FASTEST.

rfhp approximate üpper limit

of feasible speed and cacgo

deadwetght within the scope of pre3ent technology.

Sji.P. por 3ht't

6c.cO.

The addition of ça11e1 body reduced surt'ace draft to 67 feet.

Predicted 3jCGd 37 knots.

This ship could be

aceomodated in existing drydocks.

thirgo Deadwe ght 41

.565

tone

Surface Di3p1arecint 91.903 tons

3ubrnerged Di:3piacement 101.000 tons

Loa(t3d Drat't 67 feet

Length

936 feet

Maximum Diameter

3G feet

Total Power Required 240.000 shp

No .Screws 4

L

MN CRG() TANO3 VARIABLE CGO rÑKs 1 CCLLECÍING

rm:::ïr::ri.L..

L

3ALLAST TANKS Ar!ßLE LLST tANKS EX4ANSCN TANKS

j

fI

TT

TEST

REA'OS

illizIt r

Cargo Deadweight

Surface

Displacement

Submerged

Displacement Loaded Draft Length 13 earn Depth

rOtal

Power Required No .Scrois

THE MOST CONSERVArI1JE

rAI3LE

3.

Deadweight

20.000 tons, 20 knots rectangular hull

with limited draft.

21 .189 38.791 42.671 35 S 83 8c 40 35.000 1

tOfl3

tons tons feet fe e t feet f e e t shp

General Dynarncs Corporation,

Electric i3oat Division,